Add 7 usb 20 ports to your pc through a pci slot this pci usb card adds seven usb 20 ports 1 internal usb a female 2 internal usb motherboard header and 4 external usb a female to your pci capable pcthe pci usb 20 card is a versatile solution that lets you add usb 20 connections without having to upgrade the system motherboardan all in one solution the pci usb card supports usb 20 device connections for full data transfer speeds of up to 480mbps and is backward compatible with usb